package com.zhuang.chapter10.work04;

import java.util.Scanner;

public class HiddenPhoneNumber {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println("请输入你的手机号：");
		String tel = sc.next();
		String before = tel.substring(0, 3);
		String after = tel.substring(7);
		String s = before + "****" + after;
		System.out.println(s);
		sc.close();
	}

}
